2004/06/02 by J M Velhinho, J. M. Velhinho · 2 citations
Physics and Astronomy · #Advanced Mathematical Theories and Applications #Noncommutative and Quantum Gravity Theories #Quantum Electrodynamics and Casimir Effect #gr-qc
paper · pdf · doi:10.1088/0264-9381/21/15/l01
published as Class.Quant.Grav. 21 (2004) L109 · 7 pages
arxiv created 2004/06/02 · openalex publication_date 2004/07/09 · arxiv updated 2009/12/01 · openalex created_date 2020/09/01 · openalex updated_date 2026/07/30
We comment on the presence of spurious observables and on a subtle violation of irreducibility in loop quantum cosmology.